Home / 89,814.98-134,722.44-30,650.64

Finding the Fourth Proportional to 89,814.98, 134,722.44 and 30,650.64

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Solution

The fourth proportional to 89,814.98, 134,722.44 and 30,650.64 is: 45,975.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,814.98 : 134,722.44 = 30,650.64 : x
  2. Step 2: Convert to fraction form
    89,814.98/134,722.44 = 30,650.64/x
  3. Step 3: Cross multiply
    89,814.98x = 134,722.44 × 30,650.64
  4. Step 4: Simplify right side
    89,814.98x = 4,129,329,008.36
  5. Step 5: Solve for x
    x = 4,129,329,008.36/89,814.98
  6. Step 6: Final answer
    x = 45,975.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.